Effect of fluoride in phosphate buffer solution on bonding to artificially carious enamel

Hao Wang, Yasushi Shimada, Junji Tagami

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The purpose of the present study was to evaluate the effect of fluoride on resin bonding to artificially carious enamel. Specimens from demineralized human enamel sections were prepared using two commercially available adhesives (Clearfil SE Bond, Kuraray; Single Bond, 3M) and a composite resin (Clearfil AP-X, Kuraray) according to manufacturers' instructions. They were then immersed in phosphate buffered saline solution with varied fluoride concentrations at 0, 0.1, 0.5, 1, and 10 ppm. After immersion in each solution for one, three, or seven days, microshear bond strength was measured. The bond strengths of both adhesive systems to artificially carious enamel significantly increased after immersion in fluoride-phosphate buffer solution. Based on the findings obtained, we thus proposed not to remove the white enamel lesions for bonding in the clinic. They might be preserved and treated using fluoride applications.

Original languageEnglish
Pages (from-to)722-727
Number of pages6
JournalDental materials journal
Issue number5
Publication statusPublished - Sept 2007
Externally publishedYes


  • Artificially carious enamel
  • Fluoride
  • Microshear bond strength

ASJC Scopus subject areas

  • Ceramics and Composites
  • General Dentistry


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